Mark Silver, MD
NPI 1790869352 · Specialist · Mountlake Terrace, WA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Silver, MD is a Specialist provider in Mountlake Terrace, WA (NPI 1790869352).
Provider details
- NPI number
- 1790869352
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD00021572 (WA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
666 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 429 | $118 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 142 | $34 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Provider Supplied Equipment95250 | 30 | $150 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 20 | $52 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $78 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 420 | 114 |
| Levothyroxine Sodiumbrand: Levoxyl | 307 | 78 |
| Metformin Hclbrand: Metformin Hcl Er | 205 | 58 |
| Tirzepatidebrand: Mounjaro | 160 | 26 |
| Empagliflozinbrand: Jardiance | 140 | 36 |
| Amlodipine Besylate | 123 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$645 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2020-08-18
- Certified
- 2020-08-18
Frequently asked questions
- What is Mark Silver's NPI number?
- Mark Silver's National Provider Identifier (NPI) is 1790869352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Silver's specialty?
- Mark Silver is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mark Silver located?
- Mark Silver's practice location on file with NPPES is 6100 219th St Sw Ste 480, Mountlake Terrace, WA 98043-2222.
- What is Mark Silver's phone number?
- The practice phone number listed in the NPPES registry for Mark Silver is (425) 774-5104.
- Does Mark Silver accept Medicare?
- Mark Silver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Silver's NPI active?
- Yes — Mark Silver's NPI (1790869352) is active in the NPPES registry as of the last update on 2020-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.